.page-faq {
  --faq-num-col: 56px;
  --faq-rule: var(--jz-line);
  --faq-rule-soft: var(--jz-line-soft);
  --faq-gap: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(24px, 4vw, 48px) clamp(26px, 4vw, 44px);
  background: var(--jz-paper);
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -8%;
  width: 46%;
  height: 120%;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(192, 138, 62, .16) 0 1px,
    transparent 1px 28px
  );
  transform: skewX(-10deg);
  pointer-events: none;
}

.page-faq .faq-hero .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-title {
  margin: 14px 0 0;
  max-width: 18em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 5.2vw, 52px);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--jz-deep);
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--jz-ink);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 26px 0 0;
  padding-top: 16px;
  list-style: none;
  border-top: 1px solid var(--faq-rule-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--jz-gray);
}

.page-faq .faq-hero__meta li {
  position: relative;
}

.page-faq .faq-hero__meta li + li::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--jz-bronze);
}

/* ---------- 章节通用 ---------- */

.page-faq .faq-section {
  padding-block: clamp(38px, 6vw, 72px);
}

.page-faq .faq-note {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--jz-gray);
}

.page-faq .faq-note a,
.page-faq .faq-acc__a a {
  color: var(--jz-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 113, 90, .35);
}

.page-faq .faq-note a:hover,
.page-faq .faq-acc__a a:hover {
  border-bottom-color: var(--jz-green);
}

.page-faq .faq-figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-faq .figure__frame {
  overflow: hidden;
  border: 1px solid var(--faq-rule-soft);
  background: var(--jz-paper-2);
}

.page-faq .figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .figure__caption {
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--jz-gray);
}

/* ---------- 筛选条 ---------- */

.page-faq .faq-quick-wrap {
  margin-top: var(--faq-gap);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 0;
  border-top: 1px solid var(--faq-rule);
  border-bottom: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-filter__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-filter .filter__btn {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  padding: 8px 15px;
  border: 1px solid var(--faq-rule);
  background: transparent;
  color: var(--jz-deep);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-filter .filter__btn:hover {
  border-color: var(--jz-red);
  color: var(--jz-red);
}

.page-faq .faq-filter .filter__btn[aria-pressed="true"] {
  background: var(--jz-deep);
  border-color: var(--jz-deep);
  color: var(--jz-paper);
}

.page-faq .faq-filter .filter__note {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--jz-gray);
}

/* ---------- 速答清单 ---------- */

.page-faq .faq-quick {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-quick__item {
  display: grid;
  grid-template-columns: var(--faq-num-col) 1fr;
  gap: 0 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--faq-rule-soft);
  transition: background .18s var(--ease);
}

.page-faq .faq-quick__item:hover {
  background: rgba(192, 138, 62, .06);
}

.page-faq .faq-quick__item[hidden] {
  display: none;
}

.page-faq .faq-quick__num {
  display: block;
  padding-left: 12px;
  border-left: 2px solid var(--jz-bronze);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--jz-bronze);
}

.page-faq .faq-quick__item:hover .faq-quick__num {
  border-left-color: var(--jz-red);
  color: var(--jz-red);
}

.page-faq .faq-quick__q {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.5;
  color: var(--jz-deep);
}

.page-faq .faq-quick__a {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--jz-ink);
}

/* ---------- 分栏 ---------- */

.page-faq .faq-split {
  margin-top: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-split .prose {
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--jz-ink);
}

.page-faq .faq-split .prose + .prose {
  margin-top: 16px;
}

.page-faq .faq-lead-prose {
  max-width: 38em;
  margin: var(--faq-gap) 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--jz-ink);
}

/* ---------- 对照表 ---------- */

.page-faq .table-wrap {
  margin-top: var(--faq-gap);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 15px;
}

.page-faq .faq-table__caption {
  padding: 12px 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--jz-gray);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 15px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-table thead th {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--jz-deep);
  background: var(--jz-paper-2);
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-table tbody th {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--jz-deep);
}

.page-faq .faq-table tbody td {
  color: var(--jz-ink);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .03em;
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(192, 138, 62, .08);
}

.page-faq .faq-table tbody tr:hover th {
  color: var(--jz-red);
}

/* ---------- 可展开问题 ---------- */

.page-faq .faq-acc {
  margin-top: var(--faq-gap);
  border-top: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-acc details {
  border-bottom: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-acc summary {
  display: grid;
  grid-template-columns: var(--faq-num-col) 1fr 22px;
  gap: 0 18px;
  align-items: center;
  padding: 20px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.55;
  color: var(--jz-deep);
  transition: color .18s var(--ease);
}

.page-faq .faq-acc summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-acc summary:hover {
  color: var(--jz-mid);
}

.page-faq .faq-acc summary:focus-visible {
  outline: 2px solid var(--jz-red);
  outline-offset: 2px;
}

.page-faq .faq-qnum {
  display: block;
  padding-left: 12px;
  border-left: 2px solid var(--faq-rule-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--jz-gray);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-acc details[open] .faq-qnum {
  color: var(--jz-red);
  border-left-color: var(--jz-red);
}

.page-faq .faq-qtext {
  min-width: 0;
}

.page-faq .faq-qmark {
  position: relative;
  justify-self: end;
  align-self: center;
  width: 14px;
  height: 14px;
}

.page-faq .faq-qmark::before,
.page-faq .faq-qmark::after {
  content: "";
  position: absolute;
  background: var(--jz-bronze);
  transition: transform .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-qmark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-qmark::after {
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 14px;
}

.page-faq .faq-acc details[open] .faq-qmark::before {
  background: var(--jz-red);
}

.page-faq .faq-acc details[open] .faq-qmark::after {
  transform: scaleY(0);
}

.page-faq .faq-acc__a {
  padding: 0 0 22px calc(var(--faq-num-col) + 18px);
  max-width: 36em;
  animation: faqOpen .22s var(--ease) both;
}

.page-faq .faq-acc__a p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--jz-ink);
}

@keyframes faqOpen {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 联系条带 ---------- */

.page-faq .faq-contact {
  position: relative;
  padding-block: clamp(36px, 5.5vw, 66px);
  background: var(--jz-deep);
  color: var(--jz-on-dark);
  overflow: hidden;
}

.page-faq .faq-contact::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--jz-red) 0 25%,
    var(--jz-bronze) 25% 50%,
    var(--jz-green) 50% 75%,
    var(--jz-paper-2) 75% 100%
  );
}

.page-faq .faq-contact__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--jz-bronze);
}

.page-faq .faq-contact__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--jz-paper);
}

.page-faq .faq-contact__sub {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--jz-on-dark);
}

.page-faq .faq-contact__kv {
  margin: 28px 0 0;
  max-width: 44em;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  padding: 14px 0;
  border-top: 1px solid rgba(192, 138, 62, .3);
}

.page-faq .faq-contact__row .kv__k {
  min-width: 5.5em;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--jz-bronze);
}

.page-faq .faq-contact__row .kv__v {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.7vw, 16px);
  letter-spacing: .03em;
  color: var(--jz-paper);
  word-break: break-all;
}

.page-faq .faq-contact__row .copy-btn {
  margin-left: auto;
  padding: 5px 12px;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1;
  border: 1px solid rgba(192, 138, 62, .5);
  background: transparent;
  color: var(--jz-bronze);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-contact__row .copy-btn:hover {
  background: var(--jz-bronze);
  color: var(--jz-deep);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-contact .btn--ghost {
  border-color: rgba(244, 239, 230, .42);
  color: var(--jz-paper);
}

.page-faq .faq-contact .btn--ghost:hover {
  border-color: var(--jz-bronze);
  color: var(--jz-bronze);
}

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
  .page-faq .faq-split .col-8,
  .page-faq .faq-split .col-4 {
    max-width: 100%;
  }

  .page-faq .faq-split .figure {
    margin-top: 22px;
  }
}

@media (max-width: 720px) {
  .page-faq {
    --faq-num-col: 40px;
  }

  .page-faq .faq-hero::before {
    width: 70%;
    opacity: .7;
  }

  .page-faq .faq-hero__meta {
    gap: 6px 20px;
    font-size: 12px;
  }

  .page-faq .faq-hero__meta li + li::before {
    left: -11px;
  }

  .page-faq .faq-filter .filter__note {
    margin-left: 0;
  }

  .page-faq .faq-quick__item {
    grid-template-columns: var(--faq-num-col) 1fr;
    gap: 0 12px;
    padding: 16px 0;
  }

  .page-faq .faq-quick__num {
    padding-left: 9px;
  }

  .page-faq .faq-acc summary {
    grid-template-columns: var(--faq-num-col) 1fr 18px;
    gap: 0 12px;
    padding: 16px 0;
  }

  .page-faq .faq-qnum {
    padding-left: 9px;
  }

  .page-faq .faq-acc__a {
    padding-left: calc(var(--faq-num-col) + 12px);
    padding-bottom: 18px;
  }

  .page-faq .faq-contact__row .kv__k {
    min-width: 100%;
  }

  .page-faq .faq-contact__row .copy-btn {
    margin-left: 0;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-filter .filter__btn {
    padding: 7px 12px;
    font-size: 13px;
  }
}